Home / 27,315.23-37,695.75-15,379.02

Finding the Fourth Proportional to 27,315.23, 37,695.75 and 15,379.02

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Solution

The fourth proportional to 27,315.23, 37,695.75 and 15,379.02 is: 21,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.23 : 37,695.75 = 15,379.02 : x
  2. Step 2: Convert to fraction form
    27,315.23/37,695.75 = 15,379.02/x
  3. Step 3: Cross multiply
    27,315.23x = 37,695.75 × 15,379.02
  4. Step 4: Simplify right side
    27,315.23x = 579,723,693.17
  5. Step 5: Solve for x
    x = 579,723,693.17/27,315.23
  6. Step 6: Final answer
    x = 21,223.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.